I've Already Confronted the Five Kage, and the System Just Arrived! - Chapter 4 -

The fat and ugly Nora Smith is the laughingstock of the town when her fiancé breaks off their engagement.He says, “The sight of your gigantic face and thunder thighs disgusts me! Don't ever pester me again!”“What an idiot.” Nora scoffs and turns around, her lips curling up into a smile.Later, when Nora successfully slims down, she returns as an astounding beauty.Her ex-fiancé comes to her bearing flowers and begs, “I was wrong, Nora. I’m willing to do anything as long as you come back to me.” Nora rests her chin in her hands and smiles as she replies, “Real men don’t dwell on the past.” Angered, he says, “You’re just a dimwit saddled with baggage that I dumped, Nora. No one will want you except me!”But following that…A young and popular singer tweets: “Nora Smith is my goddess!”An internationally renowned surgeon asks, “Are you free tonight, Nora?”Even the rich and influential hotshot whom everyone is scared of comes forward and says, ”I can take care of my wife and children myself, thank you very much.”

Kawaki, who was born in the dragon vein of a planet (Altana), first met Umibozu who was traveling in the universe, and his girlfriend, Kouka.Later, he came to Earth by accident and met the teacher who affected his life —Yoshida Shouyou.He also met a group of friends. The most conspicuous among the group of friends is a fool with silver hair and naturally curly hair, a short man with purple hair, and a little devil whose catchphrase is “Not Zura, it's Katsura!”Gintama Doujin, not transmigration.

Zhou Donghuang, a man from the Earth, is able to destroy any planet in the universe without lifting a finger. His supreme will can sweep across the vast cosmos in the blink of an eye. And his immortal spirit can depart from his body and wander around the universe!

In Kunlun Mountains lies a circular slate, which brought him back to one thousand years ago…

- Description from Novelupdates

Pain, Pain, Go Away is a novel by Sugaru Miaki, also known as Fafoo, author of Starting Over and Three Days of Happiness. Unlike Miaki’s previous two books, Pain, Pain, Go Away is not a rewrite of any story posted to 2ch, but an entirely original one.

The plot involves a young man who becomes a killer (by accident) – but his victim has the power of “postponement,” temporarily delaying her death.